Percutaneous Rupture of Zygapophyseal Joint Cysts
Lumbar zygapophyseal joint cysts can cause lower extremity radiculopathy. These cysts can be
cured by a minimally invasive technique: percutaneous cyst distention and rupture.
30 patient with lower extremity radiculopathy caused by lumbar zygapophyseal joint cysts
will be included in the study.
Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
VAS(Visual analogue scale)for extremity pain
1-3 and 12 months after intervention
Øivind Gjertsen, Md, Msc
Oslo University Hospital
Norway:National Committee for Medical and Health Research Ethics